Latest Bilateria Stories
The evolution of worms, insects, vertebrates and other “bilateral” animals from less complex creatures like jellyfish and sea anemones with “radial” symmetry may have been facilitated by the emergence of a completely new "operating system" for controlling genetic instructions in the cell.
According to researchers, animals existed 585 million years ago — 30 million years earlier than previous records show.
- In dressmaking, straps running from the belt in front over the shoulders to the belt in the back, with more or less elaboration of trimming and outline. They usually broaden at the shoulder and narrow toward the waist.